Substituted benzylamino bipyridine derivatives, processes for their preparation and use
By performing two-step chemical modification on the blue dye molecule, substituted benzylaminobipyridine derivatives were prepared, which solved the problems of monotonous hue and insufficient color fastness of bio-based dyes, and achieved a blue-green hue with high color fastness, making it suitable for industrial applications.
CN122404221APending Publication Date: 2026-07-17VERTEXYN (NANJING) BIOWORKS CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- VERTEXYN (NANJING) BIOWORKS CO LTD
- Filing Date
- 2026-06-11
- Publication Date
- 2026-07-17
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Figure CN122404221A_ABST
Abstract
本申请提供了一种取代苄基氨基联吡啶类衍生物及其制备方法和应用，所述取代苄基氨基联吡啶类衍生物的结构如式I所示，式中，R1、R2独立地选自C1~C6烷基、芳基、杂芳基、C1~C3烷基芳基、C1~C3烷基杂芳基中任意一种。制备方法将观蓝与苄基试剂先反应得到中间体，再对中间体进行第二次衍生化反应。本申请的取代苄基氨基联吡啶类衍生物作为青蓝色染料，上染后颜色鲜艳，染色深且染色牢度全面，具有明显不同于观蓝纯蓝色的青蓝色效果。制备方法操作简单、安全节能，产品质量稳定、重现性好，适合工业生产。
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